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題 1
Author:
Anthony OR 柯志明
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
畫出對稱圖形
三位數除以一位數（一）
第八周作业
【案例】圆柱体内放置一个大球六个小球
球体的体积推导（优化版）
Discover Resources
尋找三角形的內切圓
拋物線基本名詞介紹
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
二維
圆台的侧面展开动画
Discover Topics
Centroid or Barycenter
Ratios
Volume
Cosine
Pyramid